Co-composting of banana peel and orange peel waste with fish waste to improve conversion by black soldier fly (Hermetia illucens (L.), Diptera: Stratiomyidae) larvae

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dc.contributor.authorIsibika, Alice
dc.contributor.authorVinnerås, Björn
dc.contributor.authorKibazohi, Oscar
dc.contributor.authorLalander, Cecilia
dc.contributor.authorChristian, Zurbrügg
dc.date.accessioned2024-06-19T22:13:08Z
dc.date.available2024-06-19T22:13:08Z
dc.date.issued2021-08-11
dc.description.abstractBlack soldier fly (BSF) larvae composting is a promising waste treatment that can add value to available biodegradable waste. However, substrates that have low protein content and contain complex molecules (e.g. fruit peels) are not easily degraded by the larvae. This study evaluated the impact on the BSF larvae composting efficiency of co-composting different mixtures of banana and orange peels with incremental increase of fish waste. Mixtures (in total 50 distinct mixtures) of varying proportions of banana peels, orange peels and fish waste were evaluated. BFSL fed on orange peel and banana peel mixtures, containing no fish waste, resulted in a lower biomass conversion efficiency (4.5% ± 1.3) on a volatile solids (VS) basis (BCEvs). Co-composting the fruit peels with fish waste increased the biomass conversion efficiency and the highest BCEvs (25%) was attained when 75% fish waste was included. However, the BCEvs varied greatly (18.0% ± 5.8), likely due to varying fish waste composition. A 25% fish waste inclusion resulted in more than twice as high BCEvs (12.3% ± 2.1) compared to when no fish waste was included. As the conversion efficiency variance increased with increasing fish waste inclusion, it was recommended to keep the inclusions of the fish waste to around 25% of the total mixture, in order to increase the reliability of the BSF larvae composting efficiency.en_US
dc.description.sponsorshipSida of Swedenen_US
dc.identifier.urihttps://repository.udsm.ac.tz/handle/123456789/6091
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectProtein-carbon balance, Organic waste, Fruit waste, Biodegradable waste, Fibrous wasteen_US
dc.titleCo-composting of banana peel and orange peel waste with fish waste to improve conversion by black soldier fly (Hermetia illucens (L.), Diptera: Stratiomyidae) larvaeen_US
dc.typeJournal Article, Peer Revieweden_US
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